Question
Find the missing numbers.
  1. Y
  2. Z
  3. A
  4. B
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

(d)

Click button first when a symbol is required. X

Find the missing numbers.
  1. Y
  2. Z
  3. A
  4. B